Home / 866,026.89-1,298,887.25-234,989.91

Finding the Fourth Proportional to 866,026.89, 1,298,887.25 and 234,989.91

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Solution

The fourth proportional to 866,026.89, 1,298,887.25 and 234,989.91 is: 352,443.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,026.89 : 1,298,887.25 = 234,989.91 : x
  2. Step 2: Convert to fraction form
    866,026.89/1,298,887.25 = 234,989.91/x
  3. Step 3: Cross multiply
    866,026.89x = 1,298,887.25 × 234,989.91
  4. Step 4: Simplify right side
    866,026.89x = 305,225,396,802.70
  5. Step 5: Solve for x
    x = 305,225,396,802.70/866,026.89
  6. Step 6: Final answer
    x = 352,443.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.